<?php

namespace app\common\library;

use app\common\model\User;
use app\common\model\UserRule;
use app\common\model\ChatRoom;
use fast\Random;
use think\Config;
use think\Db;
use think\Exception;
use think\Hook;
use think\Request;
use think\Validate;

class Auth
{
    protected static $instance = null;
    protected $_error = '';
    protected $_logined = false;
    protected $_user = null;
    protected $_token = '';
    //Token默认有效时长
    //protected $keeptime = 31536000;
    protected $keeptime = 0;
    protected $requestUri = '';
    protected $rules = [];
    //默认配置
    protected $config = [];
    protected $options = [];
    protected $allowFields = ['id', 'username', 'tel','image','identification','uuid','access_token'];

    public function __construct($options = [])
    {
        if ($config = Config::get('user')) {
            $this->config = array_merge($this->config, $config);
        }
        $this->options = array_merge($this->config, $options);
    }

    /**
     *
     * @param array $options 参数
     * @return Auth
     */
    public static function instance($options = [])
    {
        if (is_null(self::$instance)) {
            self::$instance = new static($options);
        }

        return self::$instance;
    }

    /**
     * 获取User模型
     * @return User
     */
    public function getUser()
    {
        return $this->_user;
    }

    /**
     * 兼容调用user模型的属性
     *
     * @param string $name
     * @return mixed
     */
    public function __get($name)
    {
        return $this->_user ? $this->_user->$name : null;
    }

    /**
     * 兼容调用user模型的属性
     */
    public function __isset($name)
    {
        return isset($this->_user) ? isset($this->_user->$name) : false;
    }

    /**
     * 根据Token初始化
     *
     * @param string $token Token
     * @return boolean
     */
    public function init($token)
    {
        if ($this->_logined) {
            return true;
        }
        if ($this->_error) {
            return false;
        }
        $data = Token::get($token);
        if (!$data) {
            return false;
        }
        $user_id = intval($data['user_id']);
        if ($user_id > 0) {
            $user = User::get($user_id);
            if (!$user) {
                $this->setError('Account not exist');
                return false;
            }
            if($user->is_jin == '1'){
                return false;
            }
            if($user->logout == '1' || $user->logout == '2'){
                return false;
            }
            $this->_user = $user;
            $this->_logined = true;
            $this->_token = $token;

            //初始化成功的事件
            Hook::listen("user_init_successed", $this->_user);

            return true;
        } else {
            $this->setError('You are not logged in');
            return false;
        }
    }

    /**
     * 注册账号
     * @param string $mobile 手机号
     * @param string $code 验证码
     * @param string $password 密码
     * @param string $c_password 确认密码
     * @param array  $extend   扩展参数
     * @return boolean
     */
    public function register($mobile, $password,$duan,$extend = [])
    {
        $time = time();
        $params = [
            'username'=>randomNumber(),
            'tel'=>$mobile,
            'is_jin'=>0,
            'image'=>'/uploads/th.png',
            'add_time'=>$time,
            'edit_time'=>$time,
        ];
        $params['password'] = $this->getEncryptPassword($password, '');
        $params = array_merge($params, $extend);
        //账号注册时需要开启事务,避免出现垃圾数据
        Db::startTrans();
        try {
            $user = User::create($params, true);
            $this->_user = User::get($user->user_id);
            //$userInfo = User::get($user->user_id);
            //if(!$userInfo['identification']){
            //    $identification = Random::alnum(16).'_'.$userInfo['user_id'];
            //    $user_token = ChatRoom::getUserToken($identification);
            //    $user_data = [];
            //    $user_data['identification'] = $identification;
            //    $user_data['access_token'] = $user_token['data']['access_token'];
            //    $user_data['uuid'] = $user_token['data']['user']['uuid'];
            //    Db::name("user")->where("user_id",$userInfo['user_id'])->update($user_data);
            //}
            //设置Token
            $this->_token = Random::uuid();
            Token::set($this->_token, $user->user_id, $this->keeptime,$duan);
            //设置登录状态
            $this->_logined = true;
            //注册成功的事件
            Hook::listen("user_register_successed", $this->_user, $params);
            Db::commit();
        } catch (Exception $e) {
            $this->setError($e->getMessage());
            Db::rollback();
            return false;
        }
        return true;
    }

    /**
     * 用户登录
     * @param string $account  账号,用户名、邮箱、手机号
     * @param string $password 密码
     * @return boolean
     */
    public function login($account, $password,$duan)
    {
        $field = Validate::is($account, 'email') ? 'email' : (Validate::regex($account, '/^1\d{10}$/') ? 'tel' : 'username');
        //$user = User::get([$field => $account]);
        $user = User::where([$field => $account])->order("user_id","desc")->find();
        if (!$user) {
            $this->setError('账号错误');
            return false;
        }
        if ($user->password != $this->getEncryptPassword($password,'')) {
            $this->setError('密码错误');
            return false;
        }
        if($user['is_jin'] != '0'){
            $this->setError('账号已禁用');
            return false;
        }
        if($user['logout'] == '1' || $user['logout'] == '2'){
            $this->setError('账号异常');
            return false;
        }
        //直接登录会员
        return $this->direct($user->user_id,$duan);
    }

    public function smallLogin($user_id,$duan)
    {
        //直接登录会员
        return $this->direct($user_id,$duan);
    }

    /**
     * 退出
     *
     * @return boolean
     */
    public function logout()
    {
        if (!$this->_logined) {
            $this->setError('You are not logged in');
            return false;
        }
        //设置登录标识
        $this->_logined = false;
        //删除Token
        Token::delete($this->_token);
        //退出成功的事件
        Hook::listen("user_logout_successed", $this->_user);
        return true;
    }

    /**
     * 修改密码
     * @param string $user_id
     * @param string $password       新密码
     * @return boolean
     */
    public function changepwd($user_id,$password)
    {
        Db::startTrans();
        try {
            $new_password = $this->getEncryptPassword($password, '');
            $this->_user = User::get($user_id);
            $this->_user->save(['password' => $new_password]);
            Token::delete($this->_token);
            //修改密码成功的事件
            Hook::listen("user_changepwd_successed", $this->_user);
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->setError($e->getMessage());
            return false;
        }
        return true;
    }

    public function getPwd($password)
    {
        $new_password = $this->getEncryptPassword($password, '');
        return $new_password;
    }

    /**
     * 直接登录账号
     * @param int $user_id
     * @return boolean
     */
    public function direct($user_id,$duan)
    {
        $user = User::get($user_id);
        if ($user) {
            Db::startTrans();
            try {
                $this->_user = $user;
                $this->_token = Random::uuid();
                Token::set($this->_token, $user->user_id, $this->keeptime,$duan);
                $this->_logined = true;
                //登录成功的事件
                Hook::listen("user_login_successed", $this->_user);
                Db::commit();
            } catch (Exception $e) {
                Db::rollback();
                $this->setError($e->getMessage());
                return false;
            }
            return true;
        } else {
            return false;
        }
    }

    /**
     * 检测是否是否有对应权限
     * @param string $path   控制器/方法
     * @param string $module 模块 默认为当前模块
     * @return boolean
     */
    public function check($path = null, $module = null)
    {
        if (!$this->_logined) {
            return false;
        }

        $ruleList = $this->getRuleList();
        $rules = [];
        foreach ($ruleList as $k => $v) {
            $rules[] = $v['name'];
        }
        $url = ($module ? $module : request()->module()) . '/' . (is_null($path) ? $this->getRequestUri() : $path);
        $url = strtolower(str_replace('.', '/', $url));
        return in_array($url, $rules);
    }

    /**
     * 判断是否登录
     * @return boolean
     */
    public function isLogin()
    {
        if ($this->_logined) {
            return true;
        }
        return false;
    }

    /**
     * 获取当前Token
     * @return string
     */
    public function getToken()
    {
        return $this->_token;
    }

    /**
     * 获取会员基本信息
     */
    public function getUserinfo($duan)
    {
        $data = $this->_user->toArray();
        $allowFields = $this->getAllowFields();
        $userinfo = array_intersect_key($data, array_flip($allowFields));
        $array = Token::get($this->_token);
        unset($array["use_token"]);
        $userinfo = array_merge($userinfo, $array);
//        if(!$userinfo['identification']){
//            $identification = Random::alnum(16).'_'.$userinfo["user_id"];
//            $user_token = ChatRoom::getUserToken($identification);
//            $user_data = [];
//            $user_data['identification'] = $identification;
//            $user_data['access_token'] = $user_token['data']['access_token'];
//            $user_data['uuid'] = $user_token['data']['user']['uuid'];
//            User::where("user_id",$userinfo["user_id"])->update($user_data);
//        }
        Db::name("user_token")->where(["user_id"=>$userinfo["user_id"],"duan"=>$duan])->update(["use_token"=>$userinfo["token"]]);
        User::where(["user_id"=>$userinfo["user_id"]])->update(["logintime"=>time()]);
        return $userinfo;
    }

    /**
     * 获取会员组别规则列表
     * @return array|bool|\PDOStatement|string|\think\Collection
     */
    public function getRuleList()
    {
        if ($this->rules) {
            return $this->rules;
        }
        $group = $this->_user->group;
        if (!$group) {
            return [];
        }
        $rules = explode(',', $group->rules);
        $this->rules = UserRule::where('status', 'normal')->where('id', 'in', $rules)->field('id,pid,name,title,ismenu')->select();
        return $this->rules;
    }

    /**
     * 获取当前请求的URI
     * @return string
     */
    public function getRequestUri()
    {
        return $this->requestUri;
    }

    /**
     * 设置当前请求的URI
     * @param string $uri
     */
    public function setRequestUri($uri)
    {
        $this->requestUri = $uri;
    }

    /**
     * 获取允许输出的字段
     * @return array
     */
    public function getAllowFields()
    {
        return $this->allowFields;
    }

    /**
     * 设置允许输出的字段
     * @param array $fields
     */
    public function setAllowFields($fields)
    {
        $this->allowFields = $fields;
    }

    /**
     * 删除一个指定会员
     * @param int $user_id 会员ID
     * @return boolean
     */
    public function delete($user_id)
    {
        $user = User::get($user_id);
        if (!$user) {
            return false;
        }
        Db::startTrans();
        try {
            // 删除会员
            User::destroy($user_id);
            // 删除会员指定的所有Token
            Token::clear($user_id);

            Hook::listen("user_delete_successed", $user);
            Db::commit();
        } catch (Exception $e) {
            Db::rollback();
            $this->setError($e->getMessage());
            return false;
        }
        return true;
    }

    /**
     * 获取密码加密后的字符串
     * @param string $password 密码
     * @param string $salt     密码盐
     * @return string
     */
    public function getEncryptPassword($password, $salt = '')
    {
        return md5(md5($password) . $salt);
    }

    /**
     * 检测当前控制器和方法是否匹配传递的数组
     *
     * @param array $arr 需要验证权限的数组
     * @return boolean
     */
    public function match($arr = [])
    {
        $request = Request::instance();
        $arr = is_array($arr) ? $arr : explode(',', $arr);
        if (!$arr) {
            return false;
        }
        $arr = array_map('strtolower', $arr);
        // 是否存在
        if (in_array(strtolower($request->action()), $arr) || in_array('*', $arr)) {
            return true;
        }

        // 没找到匹配
        return false;
    }

    /**
     * 设置会话有效时间
     * @param int $keeptime 默认为永久
     */
    public function keeptime($keeptime = 0)
    {
        $this->keeptime = $keeptime;
    }

    /**
     * 渲染用户数据
     * @param array  $datalist  二维数组
     * @param mixed  $fields    加载的字段列表
     * @param string $fieldkey  渲染的字段
     * @param string $renderkey 结果字段
     * @return array
     */
    public function render(&$datalist, $fields = [], $fieldkey = 'user_id', $renderkey = 'userinfo')
    {
        $fields = !$fields ? ['id', 'nickname', 'level', 'avatar'] : (is_array($fields) ? $fields : explode(',', $fields));
        $ids = [];
        foreach ($datalist as $k => $v) {
            if (!isset($v[$fieldkey])) {
                continue;
            }
            $ids[] = $v[$fieldkey];
        }
        $list = [];
        if ($ids) {
            if (!in_array('id', $fields)) {
                $fields[] = 'id';
            }
            $ids = array_unique($ids);
            $selectlist = User::where('id', 'in', $ids)->column($fields);
            foreach ($selectlist as $k => $v) {
                $list[$v['id']] = $v;
            }
        }
        foreach ($datalist as $k => &$v) {
            $v[$renderkey] = $list[$v[$fieldkey]] ?? null;
        }
        unset($v);
        return $datalist;
    }

    /**
     * 设置错误信息
     *
     * @param string $error 错误信息
     * @return Auth
     */
    public function setError($error)
    {
        $this->_error = $error;
        return $this;
    }

    /**
     * 获取错误信息
     * @return string
     */
    public function getError()
    {
        return $this->_error ? __($this->_error) : '';
    }
}
